Home / 833,257.36-1,149,965.96-470,747.76

Finding the Fourth Proportional to 833,257.36, 1,149,965.96 and 470,747.76

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Solution

The fourth proportional to 833,257.36, 1,149,965.96 and 470,747.76 is: 649,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,257.36 : 1,149,965.96 = 470,747.76 : x
  2. Step 2: Convert to fraction form
    833,257.36/1,149,965.96 = 470,747.76/x
  3. Step 3: Cross multiply
    833,257.36x = 1,149,965.96 × 470,747.76
  4. Step 4: Simplify right side
    833,257.36x = 541,343,899,746.25
  5. Step 5: Solve for x
    x = 541,343,899,746.25/833,257.36
  6. Step 6: Final answer
    x = 649,671.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.